Examples with QueryEventWorkGenerator org.apache.rya.streams.querymanager.QueryManager.QueryEventWorkGenerator used on opensource projects

Example 1 with QueryEventWorkGenerator

use of org.apache.rya.streams.querymanager.QueryManager.QueryEventWorkGenerator in project incubator-rya by apache.

the class QueryEventWorkGeneratorTest method notifyUpdate_isActive.

@Test
public void notifyUpdate_isActive() throws Exception {
    // The signal that will kill the notifying thread.
    final AtomicBoolean shutdownSignal = new AtomicBoolean(false);
    // The queue generated work is offered to.
    final BlockingQueue<QueryEvent> queue = new ArrayBlockingQueue<>(1);
    // The listener that will perform the QueryEventWorkGenerator work.
    final CountDownLatch latch = new CountDownLatch(1);
    latch.countDown();
    final QueryEventWorkGenerator generator = new QueryEventWorkGenerator("rya", latch, queue, 50, TimeUnit.MILLISECONDS, shutdownSignal);
    // A thread that will attempt to notify the generator with an update query change.
    final UUID queryId = UUID.randomUUID();
    final StreamsQuery query = new StreamsQuery(queryId, "query", true, false);
    final Thread notifyThread = new Thread(() -> {
        final QueryChange change = QueryChange.update(queryId, true);
        final ChangeLogEntry<QueryChange> entry = new ChangeLogEntry<>(0, change);
        generator.notify(entry, Optional.of(query));
    });
    // Start the thread.
    notifyThread.start();
    try {
        // Show work was added to the queue and the notifying thread died.
        final QueryEvent event = queue.poll(500, TimeUnit.MILLISECONDS);
        final QueryEvent expected = QueryEvent.executing("rya", new StreamsQuery(queryId, query.getSparql(), query.isActive(), query.isInsert()));
        assertEquals(expected, event);
    } finally {
        shutdownSignal.set(true);
        notifyThread.join();
    }
}

Example 2 with QueryEventWorkGenerator

use of org.apache.rya.streams.querymanager.QueryManager.QueryEventWorkGenerator in project incubator-rya by apache.

the class QueryEventWorkGeneratorTest method notifyDelete.

@Test
public void notifyDelete() throws Exception {
    // The signal that will kill the notifying thread.
    final AtomicBoolean shutdownSignal = new AtomicBoolean(false);
    // The queue generated work is offered to.
    final BlockingQueue<QueryEvent> queue = new ArrayBlockingQueue<>(1);
    // The listener that will perform the QueryEventWorkGenerator work.
    final CountDownLatch latch = new CountDownLatch(1);
    latch.countDown();
    final QueryEventWorkGenerator generator = new QueryEventWorkGenerator("rya", latch, queue, 50, TimeUnit.MILLISECONDS, shutdownSignal);
    // A thread that will attempt to notify the generator with a deleted query.
    final UUID queryId = UUID.randomUUID();
    final Thread notifyThread = new Thread(() -> {
        final QueryChange change = QueryChange.delete(queryId);
        final ChangeLogEntry<QueryChange> entry = new ChangeLogEntry<>(0, change);
        generator.notify(entry, Optional.empty());
    });
    // Start the thread.
    notifyThread.start();
    try {
        // Show work was added to the queue and the notifying thread died.
        final QueryEvent event = queue.poll(500, TimeUnit.MILLISECONDS);
        final QueryEvent expected = QueryEvent.stopped("rya", queryId);
        assertEquals(expected, event);
    } finally {
        shutdownSignal.set(true);
        notifyThread.join();
    }
}

Example 3 with QueryEventWorkGenerator

use of org.apache.rya.streams.querymanager.QueryManager.QueryEventWorkGenerator in project incubator-rya by apache.

the class QueryEventWorkGeneratorTest method shutdownSignalKillsThread.

@Test
public void shutdownSignalKillsThread() throws Exception {
    // The signal that will kill the notifying thread.
    final AtomicBoolean shutdownSignal = new AtomicBoolean(false);
    // The queue generated work is offered to.
    final BlockingQueue<QueryEvent> queue = new ArrayBlockingQueue<>(1);
    // The listener that will perform the QueryEventWorkGenerator work.
    final QueryEventWorkGenerator generator = new QueryEventWorkGenerator("rya", new CountDownLatch(1), queue, 50, TimeUnit.MILLISECONDS, shutdownSignal);
    // A thread that will attempt to notify the generator with a created query.
    final Thread notifyThread = new Thread(() -> {
        generator.notify(mock(ChangeLogEntry.class), Optional.empty());
    });
    // Fill the queue so that nothing may be offered to it.
    queue.offer(QueryEvent.stopALL("rya"));
    // Start the thread and show that it is still alive after the offer period.
    notifyThread.start();
    assertTrue(ThreadUtil.stillAlive(notifyThread, 200));
    // Set the shutdown signal to true and join the thread. If we were able to join, then it shut down.
    shutdownSignal.set(true);
    assertFalse(ThreadUtil.stillAlive(notifyThread, 1000));
}

Example 4 with QueryEventWorkGenerator

use of org.apache.rya.streams.querymanager.QueryManager.QueryEventWorkGenerator in project incubator-rya by apache.

the class QueryEventWorkGeneratorTest method notifyUpdate_isNotActive.

@Test
public void notifyUpdate_isNotActive() throws Exception {
    // The signal that will kill the notifying thread.
    final AtomicBoolean shutdownSignal = new AtomicBoolean(false);
    // The queue generated work is offered to.
    final BlockingQueue<QueryEvent> queue = new ArrayBlockingQueue<>(1);
    // The listener that will perform the QueryEventWorkGenerator work.
    final CountDownLatch latch = new CountDownLatch(1);
    latch.countDown();
    final QueryEventWorkGenerator generator = new QueryEventWorkGenerator("rya", latch, queue, 50, TimeUnit.MILLISECONDS, shutdownSignal);
    // A thread that will attempt to notify the generator with an update query change.
    final UUID queryId = UUID.randomUUID();
    final StreamsQuery query = new StreamsQuery(queryId, "query", false, false);
    final Thread notifyThread = new Thread(() -> {
        final QueryChange change = QueryChange.update(queryId, false);
        final ChangeLogEntry<QueryChange> entry = new ChangeLogEntry<>(0, change);
        generator.notify(entry, Optional.of(query));
    });
    // Start the thread.
    notifyThread.start();
    try {
        // Show work was added to the queue and the notifying thread died.
        final QueryEvent event = queue.poll(500, TimeUnit.MILLISECONDS);
        final QueryEvent expected = QueryEvent.stopped("rya", queryId);
        assertEquals(expected, event);
    } finally {
        shutdownSignal.set(true);
        notifyThread.join();
    }
}

Example 5 with QueryEventWorkGenerator

use of org.apache.rya.streams.querymanager.QueryManager.QueryEventWorkGenerator in project incubator-rya by apache.

the class QueryEventWorkGeneratorTest method notifyCreate.

@Test
public void notifyCreate() throws Exception {
    // The signal that will kill the notifying thread.
    final AtomicBoolean shutdownSignal = new AtomicBoolean(false);
    // The queue generated work is offered to.
    final BlockingQueue<QueryEvent> queue = new ArrayBlockingQueue<>(1);
    // The listener that will perform the QueryEventWorkGenerator work.
    final CountDownLatch latch = new CountDownLatch(1);
    latch.countDown();
    final QueryEventWorkGenerator generator = new QueryEventWorkGenerator("rya", latch, queue, 50, TimeUnit.MILLISECONDS, shutdownSignal);
    // A thread that will attempt to notify the generator with a created query.
    final UUID queryId = UUID.randomUUID();
    final StreamsQuery query = new StreamsQuery(queryId, "query", true, false);
    final Thread notifyThread = new Thread(() -> {
        final QueryChange change = QueryChange.create(queryId, query.getSparql(), query.isActive(), query.isInsert());
        final ChangeLogEntry<QueryChange> entry = new ChangeLogEntry<>(0, change);
        generator.notify(entry, Optional.of(query));
    });
    // Start the thread.
    notifyThread.start();
    try {
        // Show work was added to the queue and the notifying thread died.
        final QueryEvent event = queue.poll(500, TimeUnit.MILLISECONDS);
        final QueryEvent expected = QueryEvent.executing("rya", new StreamsQuery(queryId, query.getSparql(), query.isActive(), query.isInsert()));
        assertEquals(expected, event);
    } finally {
        shutdownSignal.set(true);
        notifyThread.join();
    }
}